EUP2518
Absolute Maximum Ratings
Supply Voltage ,V
IN
-----------------------------------------------------------------
LX,OUT -----------------------------------------------------------------------------
The Other Pins ----------------------------------------------------------------------
Package Thermal Resistance
TSOT23-6,θ
JA
-----------------------------------------------------------------------
Maximum Junction Temperature ---------------------------------------------------
Lead Temperature (Soldering, 10sec.) ---------------------------------------------
Storage Temperature Range ---------------------------------------------------------
-0.3V to 6V
-0.3V to 30V
-0.3V to 6V
220°C/W
125°C
260°C
-65°C to 150°C
Operating Conditions
Junction Temperature Range ------------------------------------------------------- -40°C to 125°C
Supply Voltage , V
IN
----------------------------------------------------------------- 2.6V to 5.5V
Electrical Characteristics
(V
IN
=3.6V, V
OUT
=18V, C
OUT
=0.22µF, C
IN
=1µF, R
FB
=5.1Ω, T
A
=-40°C to 85°C. Unless otherwise noted. Typical
values are at T
A
= 25°C)
Symbol
Parameter
Supply Voltage
Conditions
V
IN
Rising
V
IN
Falling
No Switching
V
CC
=6V, Continuous Switching
V
CC
=6V, FB=1.3V, No Switching
V
CC
=6V, V
EN
<0.3V
EUP2518
Min
Typ
Max.
--
2.2
1.95
--
--
--
--
0.8
89
94
--
0.4
0.3
--
--
--
2.4
2.15
--
0.8
115
0.1
1.1
92
104
1
0.8
0.7
0.7
--
25.7
27.3
6
2.6
2.35
30
1.3
150
1
1.3
96
114
1.5
1.2
--
1.4
0.1
26.5
28.1
Unit
V
V
V
mA
µA
µA
MHz
%
mV
Ω
A
V
V
µA
V
UVLO
Under Voltage Lock Out
Maximum Output Voltage
Supply Current
Quiescent Current
Shutdown current
Operation Frequency
Maximum Duty Cycle
Feedback Voltage
On resistance of MOSFET
Current Limit
Shutdown Voltage
Enable Voltage
EN Pin Pull Low Current
OVP Threshold
I
CC1
I
CC2
I
CC3
Oscillator
Fosc
Dmax
V
FB
MOSFET
R
DS(ON)
I
LX
V
EN1
V
EN2
I
EN
OVP
Reference Voltage
Control and Protection
Falling
Rising
24.5
26.1
DS2518 Ver1.0 Mar. 2008
4
EUTECH [ EUTECH MICROELECTRONICS INC ]
